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Question
Find the values of:
`cot (25pi^"c")/3`
Sum
Solution
We know that cotangent function is periodic with period π.
∴ `cot (25pi^"c")/3 = cot (8pi + pi/3)`
= `cot pi/3`
= `1/sqrt(3)`.
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Periodicity of Trigonometric Functions
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Chapter 2: Trigonometry - 1 - EXERCISE 2.2 [Page 31]
